6Li Diffusion-Ordered NMR Spectroscopy (DOSY) and Applications to Organometallic Complexes

被引：42
|
作者：
Kagan, Gerald [1 ]
Li, Weibin [1 ]
Hopson, Russell [1 ]
Williard, Paul G. [1 ]
机构：
[1] Brown Univ, Dept Chem, Providence, RI 02912 USA
来源：
ORGANIC LETTERS | 2010年 / 12卷 / 03期
基金：
美国国家科学基金会;
关键词：
CHIRAL LITHIUM AMIDE; PGSE DIFFUSION; HEXAMETHYLDISILAZIDE LIHMDS; ETHEREAL SOLVATION; IONIC-CONDUCTIVITY; ELECTROLYTES; BUTYLLITHIUM; AGGREGATE; SALTS; H-1;
D O I：
10.1021/ol902713h
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The development of Li-6 diffusion-ordered NMR spectroscopy (DOSY) is reported, This technique is applied to Li-6 organometallic complexes. Li-6 DOSY provides a facile means of identification of peaks in the Li-6 spectrum, as well as evidence of mixed aggregates based on relative diffusion coefficients. Li-6 data is correlated to H-1 diffusion experiments through Li-6{H-1} HOESY and/or H-1{Li-6} HMBC experiments to obtain formula weight information of Li aggregates.
引用
收藏
页码：520 / 523
页数：4
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